Need help making a highlight video

i have a dozen or so games on the web, that i watch regularly, and i want to make a highlight video of all the good/bad plays of a particular player. I was wondeirng how do i take highlights of a player from a stream on the web, and put it on my own highlight video?

i have a dozen or so games on the web, that i watch regularly, and i want to make a highlight video of all the good/bad plays of a particular player. I was wondeirng how do i take highlights of a player from a stream on the web, and put it on my own highlight video?